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August weather forecast in Blenheim

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 July, sun

	741 mmHg		84%
	3.3 m/s

27 July, Sunday. day, 11°; night, 2°; clear

28 July, mon

	741 mmHg		84%
	3.4 m/s

28 July, Monday. day, 11°; night, 2°; partly cloudy

29 July, tue

	740 mmHg		85%
	3.5 m/s

29 July, Tuesday. day, 11°; night, 3°; rain

30 July, wed

	740 mmHg		84%
	3.5 m/s

30 July, Wednesday. day, 10°; night, 3°; rain

31 July, thu

	740 mmHg		84%
	3.8 m/s

31 July, Thursday. day, 11°; night, 3°; partly cloudy

1 August, fri

	740 mmHg		85%
	3.5 m/s

1 August, Friday. day, 11°; night, 3°; overcast

2 August, sat

	740 mmHg		86%
	3.7 m/s

2 August, Saturday. day, 10°; night, 4°; rain

3 August, sun

	741 mmHg		85%
	3.1 m/s

3 August, Sunday. day, 11°; night, 2°; rain

4 August, mon

	741 mmHg		85%
	3.2 m/s

4 August, Monday. day, 11°; night, 3°; partly cloudy

5 August, tue

	740 mmHg		84%
	3.4 m/s

5 August, Tuesday. day, 11°; night, 3°; overcast

6 August, wed

	739 mmHg		85%
	3.5 m/s

6 August, Wednesday. day, 11°; night, 3°; partly cloudy

7 August, thu

	738 mmHg		85%
	3.7 m/s

7 August, Thursday. day, 11°; night, 3°; rain

8 August, fri

	738 mmHg		84%
	3.6 m/s

8 August, Friday. day, 10°; night, 2°; rain

9 August, sat

	740 mmHg		82%
	3 m/s

9 August, Saturday. day, 11°; night, 1°; clear

10 August, sun

	739 mmHg		82%
	3.2 m/s

10 August, Sunday. day, 11°; night, 2°; clear

11 August, mon

	738 mmHg		83%
	3.7 m/s

11 August, Monday. day, 11°; night, 3°; partly cloudy

12 August, tue

	737 mmHg		84%
	3.8 m/s

12 August, Tuesday. day, 11°; night, 3°; partly cloudy

13 August, wed

	737 mmHg		84%
	4 m/s

13 August, Wednesday. day, 11°; night, 4°; rain

14 August, thu

	738 mmHg		81%
	3.7 m/s

14 August, Thursday. day, 11°; night, 2°; partly cloudy

15 August, fri

	738 mmHg		82%
	3.7 m/s

15 August, Friday. day, 11°; night, 2°; clear

16 August, sat

	738 mmHg		82%
	3.6 m/s

16 August, Saturday. day, 11°; night, 4°; rain

17 August, sun

	738 mmHg		84%
	3.8 m/s

17 August, Sunday. day, 11°; night, 3°; rain

18 August, mon

	739 mmHg		84%
	3.5 m/s

18 August, Monday. day, 11°; night, 3°; rain

19 August, tue

	738 mmHg		84%
	3.5 m/s

19 August, Tuesday. day, 11°; night, 3°; rain

20 August, wed

	737 mmHg		83%
	3.3 m/s

20 August, Wednesday. day, 11°; night, 3°; rain

21 August, thu

	739 mmHg		81%
	3.8 m/s

21 August, Thursday. day, 12°; night, 3°; clear

22 August, fri

	742 mmHg		81%
	3.7 m/s

22 August, Friday. day, 11°; night, 2°; clear

23 August, sat

	742 mmHg		82%
	3.8 m/s

23 August, Saturday. day, 12°; night, 3°; clear

24 August, sun

	742 mmHg		82%
	4 m/s

24 August, Sunday. day, 12°; night, 4°; clear

25 August, mon

	741 mmHg		83%
	3.6 m/s

25 August, Monday. day, 12°; night, 5°; rain

26 August, tue

	741 mmHg		84%
	3.6 m/s

26 August, Tuesday. day, 12°; night, 4°; rain

27 August, wed

	742 mmHg		83%
	3.4 m/s

27 August, Wednesday. day, 12°; night, 3°; rain

28 August, thu

	742 mmHg		82%
	3.5 m/s

28 August, Thursday. day, 13°; night, 3°; partly cloudy

29 August, fri

	743 mmHg		80%
	3.5 m/s

29 August, Friday. day, 13°; night, 3°; clear

30 August, sat

	743 mmHg		81%
	3.7 m/s

30 August, Saturday. day, 12°; night, 4°; clear

31 August, sun

	743 mmHg		81%
	3.9 m/s

31 August, Sunday. day, 12°; night, 4°; clear

1 September, mon

	741 mmHg		82%
	4.4 m/s

1 September, Monday. day, 13°; night, 5°; clear

2 September, tue

	741 mmHg		82%
	3.9 m/s

2 September, Tuesday. day, 13°; night, 4°; rain

3 September, wed

	742 mmHg		84%
	3.9 m/s

3 September, Wednesday. day, 13°; night, 4°; rain

4 September, thu

	741 mmHg		81%
	4.3 m/s

4 September, Thursday. day, 12°; night, 5°; rain

5 September, fri

	740 mmHg		82%
	4.6 m/s

5 September, Friday. day, 13°; night, 5°; rain

6 September, sat

	741 mmHg		80%
	4.19 m/s

6 September, Saturday. day, 13°; night, 4°; partly cloudy

Average data for 10 years

Blenheim August

10

sunny days

13

days with precipitation

8

cloudy days

10 sunny days; 13 days with precipitation; 8 cloudy days;

83

%

air humidity

2.09

m/s

WindSW

101

mm of precipitation

(9% of annual average)

air humidity 83%; 101 millimeters of precipitation (9% of annual average); Wind south-westerly 2.09 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

SW

SW

SW

SW

SW

W

SW

SW

SW

W

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Wellington
Christchurch
Palmerston North
Nelson
Ashburton
Picton
Napier
Motueka
Kaikoura

Cities with similar weather in August

Cholpon-Ata
Reykyavik
Buenos Aires
Santiago
Melbourne
Canberra
Auckland
Nuuk
Bogota

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in Blenheim is typically warm. Average daily high temperature in August is about 11 degrees above zero. On average, Blenheim has 13 rainy, 10 sunny, 6 partly cloudy, and 2 cloudy days in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Blenheim.

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